private void AddOnsets(SongElements songElements)
{
SongPropertyValues onsetValues = new SongPropertyValues("Onsets");
List <MyPoint> amplitudePoints = amplitudeDetection.Points;
float[] onsets = onsetDetection.Onsets;
int samplesNotUsed = 0;
for (int i = 0; i < onsets.Length; i++)
{
if (samplesNotUsed > 0)
{
samplesNotUsed--;
continue;
}
if (onsets[i] > 0.01f)
{
songElements.AddSingleBeat(timePerSample * i, amplitudePoints[i].Y);
samplesNotUsed = 4;
}
}
}
public void AddHeldNotesFromFrequencyBands(SongElements songElements, List <FrequencyBand> frequencyBands)
{
List <PossibleHeldNote> possibleHeldNotes = new List <PossibleHeldNote>();
foreach (FrequencyBand frequencyBand in frequencyBands)
{
possibleHeldNotes.AddRange(GetHeldNotesFromFrequencyBand(frequencyBand));
}
possibleHeldNotes.Sort(delegate(PossibleHeldNote h1, PossibleHeldNote h2)
{
return(h1.AmplitudeMeanValue.CompareTo(h2.AmplitudeMeanValue));
});
possibleHeldNotes.Reverse();
FinalHeldNotes finalHeldNotes = new FinalHeldNotes();
foreach (PossibleHeldNote heldNote in possibleHeldNotes)
{
finalHeldNotes.TryToAddHeldNote(heldNote);
}
finalHeldNotes.SortByTime();
foreach (PossibleHeldNote heldNote in finalHeldNotes.HeldNotes)
{
songElements.AddHeldNote(heldNote.StartTime, heldNote.EndTime, heldNote.Applicability);
}
}
public AudioAnalyzer()
{
SongElements = new SongElements();
fft = new FFT();
fft.A = 0;
fft.B = 1;
}
public void AddHeldNotes(SongElements songElements)
{
RectangleDetection rectangularDetection = new RectangleDetection();
rectangularDetection.AddHeldNotesFromFrequencyBands(songElements, frequencyBands);
}